quasihemidemisemiquaver

noun1

1. •
   A note having a time value half as long as a hemidemisemiquaver or 64th note; a 128th note.

   • Telemann's ‘Gulliver’ suite for two violins includes a Lilliputian chaconne in quasihemidemisemiquavers and a Brobdignanian^([sic]) gigue in semibreves. — 2004